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Light Echoes

Published online by Cambridge University Press:  20 April 2012

Howard E. Bond ,
Misty C. Bentz ,
Geoffrey C. Clayton  and
Armin Rest
Howard E. Bond
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr., Baltimore, MD 21218USA email: [email protected]
Misty C. Bentz
Affiliation:
Dept. of Physics & Astronomy, Georgia State University, Atlanta, GA 30303USA
Geoffrey C. Clayton
Affiliation:
Dept. of Physics & Astronomy, Louisiana State University, Baton Rouge, LA 70803USA
Armin Rest
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr., Baltimore, MD 21218USA email: [email protected]
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Abstract

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The first “light echo”—scattered light from a stellar outburst arriving at the Earth months or years after the direct light from the event—was detected more than 100 years ago, around Nova Persei 1901. Renewed interest in light echoes has come from the spectacular echo around V838 Monocerotis, and from discoveries of light echoes from historical and prehistorical supernovæ in the Milky Way and Large Magellanic Cloud as well as from the 19th-century Great Eruption of η Carinae. A related technique is reverberation mapping of active galactic nuclei. This report of a workshop on Light Echoes gives an introduction to light echoes, and summarizes presentations on discoveries of light echoes from historical and prehistorical events, light and shadow echoes around R CrB stars, and reverberation mapping.

Keywords

scatteringmethods: data analysistechniques: polarimetricnovaecataclysmic variablesreflection nebulaegalaxies: activegalaxies: nuclei
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S285: New Horizons in Time-Domain Astronomy , September 2011 , pp. 215 - 220
Copyright
Copyright © International Astronomical Union 2012

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